Andy Brehm,Julie Campbell,Ed Schindler,Dennis Jerome Freeman
申请号：
US15498933
公开号：
US10071582B2
申请日:
2015.10.30
申请国别(地区):
US
年份:
2018
代理人:
摘要：
This invention relates to an apparatus and method for applying writings and other markings to a frozen vial or ampoule, which is filled with biological material, and which is held at temperatures between about −70° C. and about −196° C. More particularly, the invention relates to a laser marking method that allows frozen vials to be labeled, while maintaining the integrity of the biological material contained therein.
